body {
    padding: 15px;
    background-color: #f2f3f5;
}

.preview-link {
    color: rgb(54, 124, 236);
}

.preview-article {
    padding: 20px;
}

.preview-article .title {
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.preview-article .info {
    color: #666;
    font-size: 12px;
}

.article-cover {
    margin: 10px 0;
}